Abstract
This cross-sectional study examines the relationship
between ergonomic risk factors and upper extremity
musculoskeletal symptoms (UEMSS) in VDT workers at a
Hi-Tech company, while taking into account individual
and work organizational factors, and stress. The study
population of 84 workers (92% response rate) is
comprised of computer programmers, managers,
administrators, and marketing specialists. Data on
UEMSS, individual and organizational factors, and
stress were derived from a questionnaire, while
ergonomic data were collected through two direct
observations via the rapid upper limb assessment (RULA)
method. Results of the RULA observations indicate
excessive postural loading with no employee in
acceptable postures (all scores greater-or-equal,
slanted3). Hand/wrist/finger symptoms were related to
the RULA arm/wrist score (in a logistic regression
model) as well as working with a VDT between 7.1 and 9
h a day, and working in Hi-Tech companies for more than
2 years. Neck/shoulder symptoms were related to: gender
(female), working >10 h a day, working at the Hi-Tech
company for more than 2 years, and being uncomfortable
at the workstation. The results underline the need for
implementing an intervention program focusing on
arm/wrist posture, and for taking into account the
special needs of subgroups: gender, working 10 h a day,
working 7.1-9 h a day with a VDT, and employees
experiencing discomfort at workstations.Relevance to
industry Upper extremity musculoskeletal disorders and
ergonomic research have not focused enough on the
Hi-Tech industry. Even with the .com crash, this
industry remains a major force in the world economy.
VDT work in the Hi-Tech industry has unique risk
factors, which might lead to specific needs for
intervention.
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